The Resistor,variable,wire Wound,pre, cataloged under National Stock Number 5905-01-305-3489, is classified within Federal Supply Class 5905 (Resistor) of the Electrical and Electronic Equipment Components group. Government technical data includes 30 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5905-01-305-3489 |
| Item Name | Resistor,variable,wire Wound,pre |
| FSC / FSG | 5905 / 59 — Resistor |
| Status | ACTIVE |
| Maximum Running Torque | 6.00 INCH-OUNCES IN |
| Nonturn Device Location | AT 12 OCLOCK |
| Body Diameter | 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN |
| Screw Thread Quantity Per Inch | 32.0 |
| Electrical Resistance Per Section | 2.0 KILOHMS SINGLE SECTION |
| Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power | 135.0 SINGLE SECTION |
| Section Quantity | 1 |
| Shaft Diameter | 0.123 INCHES MINIMUM AND 0.126 INCHES MAXIMUM IN |
| Nonturn Device Radius | 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | CYLINDRICAL BUSHING MOUNTED |
| Mounting Method | STANDARD BUSHING |
| Maximum Starting Torque | 6.00 INCH-OUNCES IN |
| Temp Coefficient of Resistance Per Section in Ppm Per Deg Celsius | -70.0 TO 70.0 SINGLE SECTION |
| Terminal Location | REAR END LOCATION NOT OTHERWISE SPECIFIED |
| Features Provided | HUMIDITY PROOF |
| Shaft Style | ROUND, SLOTTED |
| Actuator Type | SINGLE SHAFT |
| Shaft Length | 0.469 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN |
| Specification/standard Data | 81349-MIL-R-39002/1 GOVERNMENT SPECIFICATION |
| Body Length | 0.650 INCHES MAXIMUM IN |
| Maximum Stop Torque | 48.00 INCH-OUNCES IN |
| Power Dissipation Rating Per Section in Watts | 1.5 FREE AIR SINGLE SECTION |
| Effective Electrical Rotation in Deg Angular Rotation | 295.0 MINIMUM AND 305.0 MAXIMUM |
| Screw Thread Diameter | 0.250 INCHES NOMINAL IN |
| Bearing Type | SLEEVE SHAFT |
| Reliability Indicator | NOT ESTABLISHED |
| Screw Thread Series Designator | UNEF |
| Cubic Measure | 0.135 CUBIC INCHES |
| Actuator Travel Control Feature | STOPS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| M39002/01-0044 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-39002/1 | 5/9 Secondary reference U.S. Government activity |
| MIL-PRF-39002/1 | 4/1 Identification reference U.S. Government activity |
| RK09SACS202 | 5/9 Secondary reference U.S. Government activity |
NSN 5905-01-305-3489 is a Resistor,variable,wire Wound,pre, classified under FSC 5905, Resistor. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5905-01-310-0684. Verify interchangeability with system specifications before substitution.
Key specifications for 5905-01-305-3489: Maximum Running Torque: 6.00 INCH-OUNCES IN; Nonturn Device Location: AT 12 OCLOCK; Body Diameter: 0.485 INCHES MINIMUM AND 0.515 INCHES MAXIMUM IN; Screw Thread Quantity Per Inch: 32.0. 30 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.